- “Pluto? I love Pluto. Everybody knows that. Pluto's a little cutie-pie. The smallest planet with the biggest heart. I love Pluto so much, I would kiss it on the face.”
Cory, Topanga, Shawn, Riley and Maya travel to Philadelphia to dig up the time capsule that Cory, Shawn and Topanga buried 15 years ago, and in turn the teens decide to create and bury one of their own.
- Rowan Blanchard as Riley Matthews
- Ben Savage as Cory Matthews
- Peyton Meyer as Lucas Friar
- Sabrina Carpenter as Maya Hart
- Danielle Fishel as Topanga Matthews
- Rider Strong as Shawn Hunter
- Cheryl Texiera as Katy Hart
- This episode aired in the U.S. on May 14, 2015, exactly 2 months before New Horizons' arrival and closest encounter with Pluto, on July 14, 2015.